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Finding the Fourth Proportional to 63,108.96, 87,096.48 and 47,165.76

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Solution

The fourth proportional to 63,108.96, 87,096.48 and 47,165.76 is: 65,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.96 : 87,096.48 = 47,165.76 : x
  2. Step 2: Convert to fraction form
    63,108.96/87,096.48 = 47,165.76/x
  3. Step 3: Cross multiply
    63,108.96x = 87,096.48 × 47,165.76
  4. Step 4: Simplify right side
    63,108.96x = 4,107,971,672.52
  5. Step 5: Solve for x
    x = 4,107,971,672.52/63,108.96
  6. Step 6: Final answer
    x = 65,093.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.